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Tagged with math-expression-eval programming-challenge
8 questions
1
vote
1
answer
229
views
Infix calculator programming challenge Kattis.com
I'm working on this C++ coding problem:
Input is a sequence of up to commands, one per line, ending at
end of file. Each command is a definition, a calculation, or a clear.
All tokens within a ...
- 11
11
votes
2
answers
2k
views
Calculator using variable names
I've recently been assigned an assignment to create a word calculator, and given my knowledge in python is still quite lacking, I want to ask if anybody has any better ideas for any possible solutions....
- 111
6
votes
1
answer
8k
views
Use Infix expression to construct a binary expression tree
Problem statement
Construct a binary expression using infix expression. The infix expression uses extra parenthesis to enforce the priority of operators.
For example, infix expression ...
- 2,456
3
votes
2
answers
985
views
CodeWars - Three-pass compiler for arithmetic expressions
I'm looking for feedback on my solution to the Tiny Three-Pass Compiler kata on CodeWars. The kata is to implement a compiler for an arithmetic language in three passes - parsing to an AST, constant ...
- 193
5
votes
2
answers
4k
views
Evaluating a completely parenthesized arithmetic expression
I tried to solve the following problem in a programming challenge, but the verdict was time limit exceeded.
Completely parenthesized expression
Write a program that reads a completely ...
- 723
8
votes
3
answers
1k
views
CodeWars mathematical expresion evaluator
I recently wrote the following code for a codewars.com kata for evaluating mathematical expressions. I've been writing ruby for years, but almost everything I do is for personal use and isn't shared,...
- 1,903
4
votes
1
answer
2k
views
Ad-hoc lexical scanner for a calculator language
Challenge:
Build an ad-hoc scanner for a calculator language.
Specifications:
The tokens for the language are as follows:
assign → :=
plus → +
minus → -
times → *
div → /
lparen → (
rparen → )
id →...
- 9,929
5
votes
1
answer
118
views
Basic Reverse Polish CL Parser
K and R Exercise 5-10
Write the program expr, which evaluates a reverse Polish expression
from the command line, where each operator or operand is a separate
argument.
For example,
<...
- 753